Dark Depths

Dark Depths comes into play with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, put an indestructible legendary 20/20 black Avatar creature token with flying named Marit Lage into play.

Sphere of Resistance

All spells cost an additional {1} to play.

Grove of the Burnwillows

{T}: Add {1} to your mana pool. {PT}: Add {R} or {G} to your mana pool. Each opponent gains 1 life.

Thespian's Stage

{T}: Add {1} to your mana pool. {2}, {T}: Thespian's Stage becomes a copy of target land and gains this ability.

Glacial Chasm

Cumulative Upkeep: 2 life When Glacial Chasm comes into play, sacrifice a land. You cannot attack. All damage dealt to you is reduced to 0.

The Tabernacle at Pendrell Vale

All creatures now require an upkeep cost of {1} in addition to any other upkeep costs they may have. If the upkeep cost for a creature is not paid, the creature is destroyed.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Engineered Explosives

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

Tranquil Thicket

Tranquil Thicket comes into play tapped. {T}: Add {G} to your mana pool. Cycling {G} ({G}, Discard this card from your hand: Draw a card.)

Barbarian Ring

{T}: Add {R} to your mana pool. Barbarian Ring deals 1 damage to you. Threshold — {R}, {T}, Sacrifice Barbarian Ring: Barbarian Ring deals 2 damage to target creature or player. Activate this ability only if seven or more cards are in your graveyard.

Karakas

{T}: Add {W} to your mana pool. {T}: Return target legendary creature to its owner's hand.

Life from the Loam

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, instead you may put exactly three cards from the top of your library into your graveyard. If you do, return this card from your graveyard to your hand. Otherwise, draw a card.)

Sylvan Library

You may draw two extra cards during your draw phase. If you do so, put two of the cards drawn this turn back on top of your library (in any order) or pay 4 life per card not replaced. Effects that prevent or redirect damage cannot be used to counter this loss of life.

Mox Diamond

When Mox Diamond comes into play, choose and discard a land card or sacrifice Mox Diamond. {T}: Add one mana of any color to your mana pool. Play this ability as a mana source.

Choke

Islands do not untap during their controllers' untap phases.

Crucible of Worlds

You may play land cards from your graveyard.

Maze of Ith

{T}: Target attacking creature becomes untapped. This creature neither deals nor receives damage as a result of combat.

Taiga

Counts as both forest and mountains and is affected by spells that affect either. Tap to add either {G} or {R} to your mana pool.

Crop Rotation

At the time you play Crop Rotation, sacrifice a land. Search your library for a land card and put that land into play. Shuffle your library afterwards.

Gamble

Search your library for a card, put that card into your hand, then discard a card at random. Shuffle your library afterward.

Exploration

You may play an additional land each turn.

Bojuka Bog

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile all cards from target player's graveyard. {T}: Add {B} to your mana pool.

Punishing Fire

Punishing Fire deals 2 damage to target creature or player. Whenever an opponent gains life, you may pay {R}. If you do, return Punishing Fire from your graveyard to your hand.

Windswept Heath

Wooded Foothills

Ghost Quarter

Krosan Grip

Ancient Tomb

Horizon Canopy

Wasteland

Tireless Tracker

Sheltered Thicket

Forest

({T}: Add {G}.)